Electro-Magnetic Spectrum

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Across
  1. 3. mobile phones and telecomunications
  2. 8. listening to music in my car
Down
  1. 1. cancer treatment
  2. 2. money security technique
  3. 4. night vision scope used by military
  4. 5. light that human eye detect
  5. 6. security of lagguge at airport
  6. 7. the range of all radiations